垂直斜面上
On a vertical bevel
以上为机器翻译结果,长、整句建议使用 人工翻译 。
顶端和底部水平面上的桁架通常被称为弦杆,而斜面或垂直方向上连接弦杆的则被称为腹杆。
The horizontal pieces forming the top and bottom of the truss are called the chords, and the sloping and vertical pieces connecting the chords are collectively called the web.
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